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1. transports substances around the body 2. helps keep the body at about 98.6 F or 37 C 3. helps defend the body against diseases and infections |
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a hollow muscular organ that constantly pumps blood through the body |
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a person who donates blood |
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carry blood from the body back to the heart |
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carry blood from the heart to the rest of the body |
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carry oxygen to all parts of the body concave-shaped on both sides |
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connect the arteries and the veins |
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things to do to stay healthy |
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eat the right kinds of foods exercise do not smoke |
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frequently needed can only be stored for a short time |
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from the right side of the heart to the lungs |
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help the body fight diseases and infections |
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main job is to clean the blood |
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one of the lower chambers of the heart |
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one of the upper chambers of the heart |
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pumps blood to the rest of the body |
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sends electric currents to the heart, making it beat at a steady pace |
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small flaps of tissue found in the heart and the veins that prevent blood from flowing backwards |
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the first to realize that the heart, arteries, and veins are part of one big circulatory system |
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the largest artery in the body |
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the liquid part of the blood that contains dissolved proteins, sugars, and nutrients |
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the main organ of the circulatory system |
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the number of main blood types |
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the number of times your heart beats in one minute |
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the push of blood through the blood vessels that occurs each time the heart beats |
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the transfer of blood from a healthy person to an injure person |
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tiny fragments of cells that help form blood clots |
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